diff --git a/decor/counters.go b/decor/counters.go
index 32bcdf7..297bf93 100644
--- a/decor/counters.go
+++ b/decor/counters.go
@@ -43,24 +43,7 @@
 //	pairFmt="% d / % d"     output: "1 MB / 12 MB"
 //
 func Counters(unit int, pairFmt string, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
-	d := &countersDecorator{
-		WC:       wc.Init(),
-		producer: chooseSizeProducer(unit, pairFmt),
-	}
-	return d
-}
-
-type countersDecorator struct {
-	WC
-	producer func(*Statistics) string
-}
-
-func (d *countersDecorator) Decor(st *Statistics) string {
-	return d.FormatMsg(d.producer(st))
+	return Any(chooseSizeProducer(unit, pairFmt), wcc...)
 }
 
 func chooseSizeProducer(unit int, format string) func(*Statistics) string {
@@ -69,16 +52,16 @@
 	}
 	switch unit {
 	case UnitKiB:
-		return func(st *Statistics) string {
-			return fmt.Sprintf(format, SizeB1024(st.Current), SizeB1024(st.Total))
+		return func(s *Statistics) string {
+			return fmt.Sprintf(format, SizeB1024(s.Current), SizeB1024(s.Total))
 		}
 	case UnitKB:
-		return func(st *Statistics) string {
-			return fmt.Sprintf(format, SizeB1000(st.Current), SizeB1000(st.Total))
+		return func(s *Statistics) string {
+			return fmt.Sprintf(format, SizeB1000(s.Current), SizeB1000(s.Total))
 		}
 	default:
-		return func(st *Statistics) string {
-			return fmt.Sprintf(format, st.Current, st.Total)
+		return func(s *Statistics) string {
+			return fmt.Sprintf(format, s.Current, s.Total)
 		}
 	}
 }
diff --git a/decor/elapsed.go b/decor/elapsed.go
index ac28731..c9999a3 100644
--- a/decor/elapsed.go
+++ b/decor/elapsed.go
@@ -9,6 +9,7 @@
 //	`style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS]
 //
 //	`wcc` optional WC config
+//
 func Elapsed(style TimeStyle, wcc ...WC) Decorator {
 	return NewElapsed(style, time.Now(), wcc...)
 }
@@ -20,29 +21,15 @@
 //	`startTime` start time
 //
 //	`wcc` optional WC config
+//
 func NewElapsed(style TimeStyle, startTime time.Time, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
+	var msg string
+	producer := chooseTimeProducer(style)
+	f := func(s *Statistics) string {
+		if !s.Completed {
+			msg = producer(time.Since(startTime))
+		}
+		return msg
 	}
-	d := &elapsedDecorator{
-		WC:        wc.Init(),
-		startTime: startTime,
-		producer:  chooseTimeProducer(style),
-	}
-	return d
+	return Any(f, wcc...)
 }
-
-type elapsedDecorator struct {
-	WC
-	startTime time.Time
-	producer  func(time.Duration) string
-	msg       string
-}
-
-func (d *elapsedDecorator) Decor(st *Statistics) string {
-	if !st.Completed {
-		d.msg = d.producer(time.Since(d.startTime))
-	}
-	return d.FormatMsg(d.msg)
-}
diff --git a/decor/eta.go b/decor/eta.go
index 818cded..5955f1e 100644
--- a/decor/eta.go
+++ b/decor/eta.go
@@ -45,13 +45,10 @@
 //	`normalizer` available implementations are [FixedIntervalTimeNormalizer|MaxTolerateTimeNormalizer]
 //
 //	`wcc` optional WC config
+//
 func MovingAverageETA(style TimeStyle, average MovingAverage, normalizer TimeNormalizer, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
 	d := &movingAverageETA{
-		WC:         wc.Init(),
+		WC:         initWC(wcc...),
 		average:    average,
 		normalizer: normalizer,
 		producer:   chooseTimeProducer(style),
@@ -66,9 +63,9 @@
 	producer   func(time.Duration) string
 }
 
-func (d *movingAverageETA) Decor(st *Statistics) string {
+func (d *movingAverageETA) Decor(s *Statistics) string {
 	v := math.Round(d.average.Value())
-	remaining := time.Duration((st.Total - st.Current) * int64(v))
+	remaining := time.Duration((s.Total - s.Current) * int64(v))
 	if d.normalizer != nil {
 		remaining = d.normalizer.Normalize(remaining)
 	}
@@ -92,6 +89,7 @@
 //	`style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS]
 //
 //	`wcc` optional WC config
+//
 func AverageETA(style TimeStyle, wcc ...WC) Decorator {
 	return NewAverageETA(style, time.Now(), nil, wcc...)
 }
@@ -105,13 +103,10 @@
 //	`normalizer` available implementations are [FixedIntervalTimeNormalizer|MaxTolerateTimeNormalizer]
 //
 //	`wcc` optional WC config
+//
 func NewAverageETA(style TimeStyle, startTime time.Time, normalizer TimeNormalizer, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
 	d := &averageETA{
-		WC:         wc.Init(),
+		WC:         initWC(wcc...),
 		startTime:  startTime,
 		normalizer: normalizer,
 		producer:   chooseTimeProducer(style),
@@ -126,12 +121,12 @@
 	producer   func(time.Duration) string
 }
 
-func (d *averageETA) Decor(st *Statistics) string {
+func (d *averageETA) Decor(s *Statistics) string {
 	var remaining time.Duration
-	if st.Current != 0 {
-		durPerItem := float64(time.Since(d.startTime)) / float64(st.Current)
+	if s.Current != 0 {
+		durPerItem := float64(time.Since(d.startTime)) / float64(s.Current)
 		durPerItem = math.Round(durPerItem)
-		remaining = time.Duration((st.Total - st.Current) * int64(durPerItem))
+		remaining = time.Duration((s.Total - s.Current) * int64(durPerItem))
 		if d.normalizer != nil {
 			remaining = d.normalizer.Normalize(remaining)
 		}
diff --git a/decor/merge.go b/decor/merge.go
index 7238692..520f13a 100644
--- a/decor/merge.go
+++ b/decor/merge.go
@@ -64,8 +64,8 @@
 	return d.Decorator
 }
 
-func (d *mergeDecorator) Decor(st *Statistics) string {
-	msg := d.Decorator.Decor(st)
+func (d *mergeDecorator) Decor(s *Statistics) string {
+	msg := d.Decorator.Decor(s)
 	msgLen := utf8.RuneCountInString(msg)
 	if (d.wc.C & DextraSpace) != 0 {
 		msgLen++
@@ -101,6 +101,6 @@
 	WC
 }
 
-func (d *placeHolderDecorator) Decor(_ *Statistics) string {
+func (d *placeHolderDecorator) Decor(*Statistics) string {
 	return ""
 }
diff --git a/decor/name.go b/decor/name.go
index 2d5865f..a7d477e 100644
--- a/decor/name.go
+++ b/decor/name.go
@@ -1,27 +1,12 @@
 package decor
 
-// Name returns name decorator.
+// Name decorator displays text that is set once and can't be changed
+// during decorator's lifetime.
 //
-//	`name` string to display
+//	`str` string to display
 //
 //	`wcc` optional WC config
-func Name(name string, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
-	d := &nameDecorator{
-		WC:  wc.Init(),
-		msg: name,
-	}
-	return d
+//
+func Name(str string, wcc ...WC) Decorator {
+	return Any(func(*Statistics) string { return str }, wcc...)
 }
-
-type nameDecorator struct {
-	WC
-	msg string
-}
-
-func (d *nameDecorator) Decor(st *Statistics) string {
-	return d.FormatMsg(d.msg)
-}
diff --git a/decor/on_complete.go b/decor/on_complete.go
index 714a0de..6640ecb 100644
--- a/decor/on_complete.go
+++ b/decor/on_complete.go
@@ -23,12 +23,12 @@
 	msg string
 }
 
-func (d *onCompleteWrapper) Decor(st *Statistics) string {
-	if st.Completed {
+func (d *onCompleteWrapper) Decor(s *Statistics) string {
+	if s.Completed {
 		wc := d.GetConf()
 		return wc.FormatMsg(d.msg)
 	}
-	return d.Decorator.Decor(st)
+	return d.Decorator.Decor(s)
 }
 
 func (d *onCompleteWrapper) Base() Decorator {
diff --git a/decor/percentage.go b/decor/percentage.go
index abf343a..efb2f3e 100644
--- a/decor/percentage.go
+++ b/decor/percentage.go
@@ -37,36 +37,22 @@
 	return NewPercentage("% d", wcc...)
 }
 
-// NewPercentage percentage decorator with custom fmt string.
+// NewPercentage percentage decorator with custom format string.
 //
-// fmt examples:
+// format examples:
 //
-//	fmt="%.1f"  output: "1.0%"
-//	fmt="% .1f" output: "1.0 %"
-//	fmt="%d"    output: "1%"
-//	fmt="% d"   output: "1 %"
+//	format="%.1f"  output: "1.0%"
+//	format="% .1f" output: "1.0 %"
+//	format="%d"    output: "1%"
+//	format="% d"   output: "1 %"
 //
-func NewPercentage(fmt string, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
+func NewPercentage(format string, wcc ...WC) Decorator {
+	if format == "" {
+		format = "% d"
 	}
-	if fmt == "" {
-		fmt = "% d"
+	f := func(s *Statistics) string {
+		p := internal.Percentage(s.Total, s.Current, 100)
+		return fmt.Sprintf(format, percentageType(p))
 	}
-	d := &percentageDecorator{
-		WC:  wc.Init(),
-		fmt: fmt,
-	}
-	return d
+	return Any(f, wcc...)
 }
-
-type percentageDecorator struct {
-	WC
-	fmt string
-}
-
-func (d *percentageDecorator) Decor(st *Statistics) string {
-	p := internal.Percentage(st.Total, st.Current, 100)
-	return d.FormatMsg(fmt.Sprintf(d.fmt, percentageType(p)))
-}
diff --git a/decor/speed.go b/decor/speed.go
index 795a553..7822d5d 100644
--- a/decor/speed.go
+++ b/decor/speed.go
@@ -52,15 +52,11 @@
 //	unit=UnitKB,  format="% .1f" output: "1.0 MB/s"
 //
 func MovingAverageSpeed(unit int, format string, average MovingAverage, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
 	if format == "" {
 		format = "%.0f"
 	}
 	d := &movingAverageSpeed{
-		WC:       wc.Init(),
+		WC:       initWC(wcc...),
 		average:  average,
 		producer: chooseSpeedProducer(unit, format),
 	}
@@ -74,8 +70,8 @@
 	msg      string
 }
 
-func (d *movingAverageSpeed) Decor(st *Statistics) string {
-	if !st.Completed {
+func (d *movingAverageSpeed) Decor(s *Statistics) string {
+	if !s.Completed {
 		var speed float64
 		if v := d.average.Value(); v > 0 {
 			speed = 1 / v
@@ -122,15 +118,11 @@
 //	unit=UnitKB,  format="% .1f" output: "1.0 MB/s"
 //
 func NewAverageSpeed(unit int, format string, startTime time.Time, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
 	if format == "" {
 		format = "%.0f"
 	}
 	d := &averageSpeed{
-		WC:        wc.Init(),
+		WC:        initWC(wcc...),
 		startTime: startTime,
 		producer:  chooseSpeedProducer(unit, format),
 	}
@@ -144,9 +136,9 @@
 	msg       string
 }
 
-func (d *averageSpeed) Decor(st *Statistics) string {
-	if !st.Completed {
-		speed := float64(st.Current) / float64(time.Since(d.startTime))
+func (d *averageSpeed) Decor(s *Statistics) string {
+	if !s.Completed {
+		speed := float64(s.Current) / float64(time.Since(d.startTime))
 		d.msg = d.producer(speed * 1e9)
 	}
 
diff --git a/decor/spinner.go b/decor/spinner.go
index 24f5531..abfb2f7 100644
--- a/decor/spinner.go
+++ b/decor/spinner.go
@@ -8,28 +8,14 @@
 //
 //	`wcc` optional WC config
 func Spinner(frames []string, wcc ...WC) Decorator {
-	var wc WC
-	for _, widthConf := range wcc {
-		wc = widthConf
-	}
 	if len(frames) == 0 {
 		frames = defaultSpinnerStyle
 	}
-	d := &spinnerDecorator{
-		WC:     wc.Init(),
-		frames: frames,
+	var count uint
+	f := func(s *Statistics) string {
+		frame := frames[count%uint(len(frames))]
+		count++
+		return frame
 	}
-	return d
+	return Any(f, wcc...)
 }
-
-type spinnerDecorator struct {
-	WC
-	frames []string
-	count  uint
-}
-
-func (d *spinnerDecorator) Decor(st *Statistics) string {
-	frame := d.frames[d.count%uint(len(d.frames))]
-	d.count++
-	return d.FormatMsg(frame)
-}