- Clasp (Clearing up some disambiguation)
Although any device that serves to secure two loose ends is casually called a buckle, if it consists of two separate pieces with one for a hook and the other for a loop, it should be called a clasp.
- Buckle trim or slide
A buckle without a chape or prongs is called a buckle trim or slide. This type was frequently used in home dress-making (belt end being secured with the simple hook-and-eye) and was purely used for decoration for items such as shoe fronts to conceal unattractive elastic fitting.
- Conventional (a.k.a. The Belt buckle)
The conventional buckle with a frame, bar and prong gives the most reliable and easy-to-use closure for a belt. It is not meant, by design, to offer much space for decoration, but for its time tested reliability.
A conventional belt buckle with single square frame and prong
- Side release buckle
A conventional buckle that is formed by a male buckle member (the hook end) and a female buckle member (the catch end). The male buckle member consists of a center guide rod forwardly extending from the front side with two spring arms equally spaced from the center rod. The two spring arms each have a retaining block that terminates at the front end. The female buckle member has a front open side and two side holes which hold and secure the two spring arms of the male buckle member. This sort of buckle may be found on backpacks, belts, rifle slings, boots, and a host of other common but overlooked items.
- A belt buckle
It is a buckle, a clasp for fastening two ends, as of straps or a belt, in which a device attached to one of the ends is fitted or coupled to the other. Belt buckles and other fixtures are used on a variety of belts, including cingula, baltea, baldrics and later waist-belts.