Word to the WISE.

Application-
[ap-li-key-shuhn]
-n
1. the act of applying to a particular purpose or use
2. relevance or value
3. the act of asking for something
4. verbal or written request
5. diligent effort or concentration
6. something, such as healing agent or lotion, that is applied
7. the process of determining the value of a function for a given argument

origin.
late 15c., "the bringing of something to bear on something else," from O.Fr. application, fromL. applicationem (nom. applicatio) "a joining to, an attaching oneself to, "noun of action from applicare. Meaning "sincere hard effort" is from c1600.