Selecting Any Text:
Word: Double-click anywhere in the word.
Sentence: Hold down [Ctrl] + click anywhere in the sentence.
Beginning of line: From current position, hold down [Shift] and click at the beginning of the line or press [Home] to move to the beginning of the line.
End of line: From current position, hold down [Shift] and click at the end of the line.
Non-contiguous blocks of text: Hold down [Ctrl] and drag to select each section of text.
Line: Click once in selection bar.*
Multiple lines: Click and drag in the selection bar to the left of the lines.*
Paragraph: Double-click in selection bar * or triple-click anywhere in the paragraph.
Entire document: Triple-click in the selection bar * or press [Ctrl] and click in selection bar.*