A jigsaw puzzle component is a PIECE, which is a five-letter word. Jigsaw puzzles are a popular form of entertainment that have been around for centuries. They consist of interlocking pieces that must be arranged to form a picture or pattern. The pieces come in various shapes and sizes, and the challenge is to fit them together correctly. The pieces can range from simple geometric shapes to more complex designs. Jigsaw puzzles can be used to teach problem-solving skills, develop spatial awareness, and encourage creativity.