What does the "Purge command" let you do?

Which tool is shown in the picture?

The painting and toning tools, tool options, view commands, and window commands cannot be recorded.

When a new brush, swatch, or a gradient is created, it displays in the preset Manager and is automatically saved as part of the current preset file.

What drawing modes are available in Photoshop?

.... control how pixels on different layers interact with each other?

Pressing command (Ctrl) + I does what to an open document or selection?

Mode to prepare the image for offset printing?

Which palette helps you revert to earlier versions of your document?

ppi stand for?

Once you build the layers in your graphic design, you cannot rearrange them.