horizontal; level; a standard; a level (of ability, development etc)
水 (Shuǐ) · 4 strokes
Depicts the flow of water in a river.
平 (Píng) · 5 strokes
Depicts using a staff (丂) for striking. Based on the original meaning "to strike", now written as 抨. The meaning later shifted to "level", "even", and "flat".