API - application program interface. Related Terms. Application program interface (API) is a set of routines, protocols, and tools for building software applications. An API specifies how software components should interact. Additionally, APIs are used when programming graphical user interface (GUI) components. A good API makes it easier to develop a program by providing all the building blocks.
By Rowena Pedrena. A traditional golf set has 13 clubs: three woods, nine irons (including three wedges) and one putter. The USGA limits the number of clubs a player may carry in his or her bag to 14. A player may include an additional wedge or wood to a fill a gap in hitting distance.
How Many Clubs Are in a Complete Set of Golf Clubs?. USGA rules declare that a golfer may carry up to 14 golf clubs in his bag. Which clubs the player chooses to form a complete golf club set varies according to his ability level and preferences. There are some guidelines to follow when putting together a set of clubs.