What does duplicating an action or command do?

The 'Render filter' creates 3D shapes, cloud patterns, refraction patterns, and simulated light reflections in an image.

We cannot change the opacity of an image that has only a background, or a locked layer.

You use the Edit -> Define Pattern command to create new patterns based on a selection. Which statement is true while defining a pattern:

Adding nontransparent layers to an image increases its file size.

What does 'The red box' in the image indicate?

PSD format is limited to a maximum height/width of 30,000 pixels. .PSB (Photoshop Big) format, also known as 'large document format' within Photoshop, is the extension of PSD format to images up to 300,000 pixels in width/height.

Which measuring unit is NOT used in Photoshop?

What file types can you save your work in for web and devices?

How many document windows can you have open at one time?

Which is not a unit of measurement in Photoshop?