Noun : The clue was a handle for solving the mystery. ,The track handle for the day was over a million dollars. ,The manufacturer regards the new appliance as its handle on the Christmas market.    From Dictionary.com. 

Verb (used with object) : My wife handles the household accounts. This computer handles all our billing. ,to handle color expertly in painting. ,to handle troops. ,The poem handled the problem of instinct versus intellect. ,to handle a person with tact. ,to handle dry goods.    From Dictionary.com. 

Verb (used without object) : The troops handled well. The jet was handling poorly.    From Dictionary.com.