视频 

Pinyin: shì pín 
Meaning：Video  
Sentence：它对于和时间有关的文档非常有用，比如视频和音频文档。These can also be very useful when navigating time-based documents, such as video and audio.

More: 

视： 

Pinyin: shì
Meaning: To look at; to regard
Radical: 见
Stokes: 8
Traditional: 視
Common words/Phrase:
视觉 [shì jué] 【sight】 
视野 [shì yě] 【field of view】
视听 [shì tīng] 【seeing and hearing】
视线 [shì xiàn] 【line of vision】
视界 [shì jiè] 【field of vision】

频： 

Pinyin: pín
Meaning: Frequency
Radical: 页
Stokes: 13
Traditional: 頻
Common words/Phrase:
频道 [pín dào] 【channel】 
频率 [pín lǜ] 【frequency】
频繁 [pín fán] 【often】
频频 [pín pín] 【repeatedly】
频度 [pín dù] 【frequency】