What does "analyze" mean?

Analyze: To subject to analysis; to resolve (anything complex) into its elements; to separate into the constituent parts, for the purpose of an examination of each separately; to examine in such a manner as to ascertain the elements or nature of the thing examined; as, to analyze a fossil substance; to analyze a sentence or a word; to analyze an action to ascertain its morality. No one, I presume, can analyze the sensations of pleasure or pain. Darwin.