Many vim commands operate on a block of text—from one character to many paragraphs. You can specify the size of a block of text with a Unit of Measure. You can specify multiple Units of Measure by preceding a Unit of Measure with a Repeat Factor (page 463). This section defines the various Units of Measure.
A character is one character, visible or not, printable or not, including SPACEs and TABs. Some examples of characters are
a q A . 5 R – > TAB SPACE
A word, similar to an ordinary word in the English language, is a string of one or more characters bounded on both sides by any combination of one or more of the following elements: a punctuation mark, SPACE, TAB, numeral, or NEWLINE. In addition, vim considers ...