Refers to choosing locations that are even and easier to use or build on.

Physical Location

Activities on the flat are often easier and require less effort than on slopes.

Ease of Activity

In sports, it implies conditions that are equitable for all competitors.

Used to describe the nature of a sports course or terrain, often expected in certain sports.

Indicates an action taken directly and quickly, often in emergencies.

Suggests proceeding without stops or deviations from the path.

More commonly used in UK English, might be less familiar to speakers from other regions.