There are n channels: channel 0 is seen in top of other, channel with major number is seen in top of others.

Edit strip → Blend → Over Drop Edit strip → Image Offest → X,Y

Select strip and Add → Effect strip → Transform

Make strip overlapping in two channels. Select first strip, hold shift and select second. Then Add → Effect strip → gamma cross

• m: marker
• CTRL+m: rename marker
• HOME: adjust timeline
• k: cut (soft)
• b: box area selection
• SHIFT+b: box area zoom
• g: move selected objects

  • h: mute strip. When transform a strip mute original.
  • e: set end frame
  • s: set start frame
  • PAGEUP/PAGEDOWN: navigate in strip edge