To select text, drag over the text.

To select a range of text, click, move the pointer, and then Shift-click.

To select a word, double-click it. To select a line, triple-click it. To select a paragraph, quadruple-click it. To select all text in a layer, quintuple-click anywhere in the text.

To use the arrow keys to select text, hold down Shift and press the Right Arrow or Left Arrow key. To use the arrow keys to select words, hold down Shift+Ctrl (Windows) or Shift+Command (Mac OS) and press the Right Arrow or Left Arrow key.