In Chinese opera or songs, a series of tunes in the same key joined together into a single complete work with a beginning and an end; also called 套曲 tào​qǔ or 散套 sǎn​tào

A standard sequence of movements, techniques, or skills (as in martial arts or magic); a formulaic series of polite remarks, tricks, or procedures

The number of things counted in sets 套 tào, such as the number of houses or apartments