Pronunciation clue for 雁 (yan4): The component 厂 is pronounced as 'han3'. It has the same pinyin final.
Example Words:
High Frequency
Pinyin: chen2 yu2 luo4 yan4 Definition: lit. fish sink, goose alights (idiom, from Zhuangzi 莊子|庄子); fig. female beauty captivating even the birds and beasts
Pinyin: ju4 sha1 cheng2 ta3 Definition: sand grains accumulate to make a tower a tower (idiom); by gathering small amounts one gets a huge quantity/many a mickle makes a muckle
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.