Meta:

  1. 是 is the 3rd most frequent character.
  2. has 1 dictionary entry.
  3. appears as a character in 48 words.
  4. appears as a component in 17 characters.

Decomposition:

Once :
=> , 𤴓
Radical :
=> (sun/day), (one), (N/A)
Graphical :
=> , , ,

Pinyin & Meaning:

  1. shi4 - is/are/am/yes/to be

Pronunciation Clues:

  1. Pronunciation clue for 是 (shi4): The component 日 is pronounced as 'ri4'. It has the same pinyin final.
  2. Pronunciation clue for 是 (shi4): The component 一 is pronounced as 'yi1'. It has the same pinyin final.

Example Words:

High Frequency

 

Medium Frequency

但是 
只是 
可是 
于是 (於是)
是否 
总是 (總是)
还是 (還是)
Decomposition Levels:
Level 1: Only divided once. So only two components.
Level 2: Radical Decomposition. The character gets decomposed into its lowest radical components. For the complete list visit the Radical wikipedia page.
Level 3: Graphical Decomposition. Shows all the strokes & lowest level of components that make up the character.
If you see questions marks or too many "block" characters, especially when it comes to level 3 decomposition you might need the correct font.