Is catch a common noun or proper noun?

The noun 'catch' is a common noun; a general Word for the act of intercepting and holding something; a general Word for a device to secure a door, a window, a drawer, or a box; a general Word for a hidden problem or disadvantage in an seemingly ideal situation; a general Word for an unevenness in a person's voice caused by emotion.

A proper noun is the name of a specific person, place, or thing; for example, the novel "Catch 22" by Joseph Heller or Big Catch Bait & Tackle in Buffalo, NY.