How do you create a circle using diameter?

What is a keyboard shortcut to zoom?

Text, dimensions, tolerances, symbols, notes, and other types of explanatory symbols or objects that are used to add information to your model are __________.

What does the 'block' command do?

What is a keyboard shortcut to start a block?

How do you switch from paper space to model space?

When working in a layout, if a viewport is activated and unlocked and you accidentally zoom in or out, what happens to your viewport scale?

One of the benefits of a locked viewport in a layout is that you can activate it and work through the viewport on the objects and annotation in the model space, without worrying about affecting the viewport scale. What is the space in the activated viewport commonly known as when you do this?

External reference files (XREFs) link external drawings to the host drawing. You can set the XREF path type to no path, relative path, or full path. What value should be used for the relative path type?

When an inserted block is selected, a single grip is displayed on the block, as shown in the image below. What is this point known as when the block is created with the Create Block (BLOCK) command?

In a standard AutoCAD installation, what does rolling the mouse backward do?