Final answer:
A robot is used in a grid of squares to navigate and perform tasks.
Step-by-step explanation:
In a grid of squares, a robot is often used to navigate and perform tasks. The robot can move from one square to another, following a specific path or algorithm, and complete various tasks. For example, in a grid-based warehouse, a robot can navigate through different squares to pick up and deliver items. It can also perform tasks like sorting, organizing, or inventory management within the grid.