Vocabulary consisting only from characters you are able to read
正式
seishiki
due form, official, formalitymix
不勉強
fubenkyou
idleness, lack of application, lazy study habitsgakkou
図説
zusetsu
illustration, diagrammix
利用
riyou
use/utilization/utilisation/application/(P)jlpt3, jlpt4
要するに
yousuruni
in a word, after all, the point is ..., in short ...mix
用法
youhou
directions, rules of usemix