What is the purpose of using a drop cloth?

Using a drop cloth serves primarily to protect floors and furniture from paint spills and splatters that can occur during painting projects. When painting, it's essential to keep surfaces clean and free from unwanted paint marks, which can lead to additional cleanup, increased costs, and damage to property. A drop cloth provides a barrier that absorbs or contains any drips and spills, ensuring that the surrounding area remains tidy and that any accidental paint damage is minimized.

The other options do not accurately reflect the primary function of a drop cloth. While hiding areas being painted or assisting with color matching might be tasks associated with painting, they are not purposes of a drop cloth. Additionally, drop cloths are not designed to absorb excess paint as their main function is protective, rather than absorptive. Therefore, the correct answer highlights the essential role drop cloths play in maintaining a clean and professional work environment while painting.