Review answers
You create text frames with the Type tool.
You thread text frames with the Selection tool.
A red plus sign in the lower-right corner of a text frame indicates overset text.
The Selection tool lets you drag a graphics frame (and its graphic) to move it, and it lets you move a graphic within its frame.
The Generate QR Code command is in the Object menu.
The Preflight panel reports errors when something in the layout does not comply with the selected preflight profile. For example, if the selected profile specifies no RGB color usage but an RGB color or image is used in the document, an error is reported. Preflight errors are also reported in the lower-left corner of the document window.
InDesign best practices include the following: avoid stacking objects, thread text frames, use styles for all formatting, preflight early and often, and try to automate repetitive tasks.