A toolbox is a container for storing and carrying tools. Most toolboxes have compartments, trays, or drawers that keep screwdrivers, hammers, wrenches, and other equipment organized and easy to find. A carpenter's toolbox might hold saws and measuring tape, while a plumber's toolbox contains pipe wrenches and sealant. Having a well-organized toolbox means you can quickly grab what you need instead of digging through a jumbled mess.

The word also describes a collection of skills, methods, or resources someone can use to solve problems. A teacher might have a toolbox of strategies for helping students understand difficult concepts. A scientist uses a toolbox of research methods to investigate questions. When you learn new approaches to tackling challenges, you're adding tools to your mental toolbox. Someone with a well-stocked toolbox of skills can handle many different situations, just like a well-stocked physical toolbox helps you fix many different problems.