jia1 - home/family/classifier for families or businesses/refers to the philosophical schools of pre-Han China/noun suffix for specialists in some activity such as musician or revolutionary, corresponds to English -ist, -er, -ary or -ian/CL:個|个[ge4]
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.