Amazing Chinese Characters (490) Flat - 平

 The bronze script of character Flat is

character At - 于 (Post 488) plus two dots, the middle is a long vertical line, a flow blow out smoothly, no tone change, a flat and continuous tone. In comparison with the bronze script of Modal Particle 乎 (Post 489), 

The top vertical lines disconnect with top and bottom two horizontal lines to indicate that the air flow is strong with rich variety of intermittent tones. 

The big seal script of the character is 

Similar to bronze script. 

Let's see the big seal of 乎 (Post 489)

Very similar but the middle top vertical short line is disconnected with top and middle horizontal lines.

The small seal script of the character is

An even, symmetrical Pi on the top, with means the air flow is even, smooth, no change. Let's compare with the small seal script of 乎 (Post 489)

Very similar to small seal script of character Flat, but the top uneven, unsymmetrical Pi, which means the air flow is rich variety. 

The clerical script of the character is

Very symmetric, which means the air flow is even, continuous, and flat.

Compare to character 乎

Not flat horizontal line on the top indicates the air flow is not even, intermittent. 

The Pinyin of character Flat - 平 is Ping2.