* Verb: This is the most common use. It describes an action, such as "He moved the box."
* Noun: This describes a change of position, such as "The company made a move to a new office."
* Adjective: This describes something that is able to move, such as "A moveable house."
Let me know if you have a sentence in mind, and I can tell you which part of speech it is functioning as in that particular sentence.