正 zhèng correct; straight; upright
Used as component 正 in :是 shì ; 征 zhēng Made up of [止 zhǐ to stop; to prohibit; until; footprint radical 77, 一 yī one radical 1]
Made with 5 strokes.
Uses a pictogram for a foot with a line or limit above suggesting reaching a 'correct' level or it may be read to suggest walking in a straight line. It is used for counting a tally in China.
Ancient small seal form 

Related characters
Also uses 止 zhǐ component: 步 bù (a step) 齿 chǐ (tooth) ; 此 cǐ (this) ; 定 dìng (to set) ; 武 wǔ (martial) ; 走 zǒu (walk) ; 足 zú (foot)
Also uses 一 yī component: 百 bǎi (hundred) 丙 bǐng (third in order) ; 不 bù (no; not) ; 丑 chǒu (shameful) ; 旦 dàn (dawn) ; 德 dé (virtue) ; 画 huà (to draw) ; 或 huò (maybe) ; 疆 jiāng (border) ; 开 kāi (begin) ; 丽 lì (beautiful) ; 两 liǎng (pair) ; 蒙 měng (Mongol) ; 灭 miè (to extinguish) ; 且 qiě (and) ; 世 shì (life) ; 与 yǔ (to give) ; 再 zài (again)
Different tone
征 zhēng (journey) ; 蒸 zhēng (to steam)Pronunciation
Sound file kindly provided by shtooka.net ➚ under a Creative Commons Attribution Share Alike License

Stroke order for character 正, kindly provided under Wikimedia creative commons license ➚
Proverbs
逢奸宁可玉碎,气正不求瓦全 féng jiān nìng kě yù suì, qì zhèng bù qiú wǎ quán It is better to die with honor than surrender改邪归正 gǎi xié guī zhèng Reject bad ways and turn to the good
一正压百邪 yī zhèng yā bǎi xié Justice is the main defense against evil