Icon with arrow up -> where the type is provided (i.e. where dependencies come from) Tree-shaped icon -> where the type is used as a dependency 왼쪽은 provider(혹은 선언) 오른쪽은 consumers(혹은 사용하는 곳) 출처 : medium.com/androiddevelopers/dagger-navigation-support-in-android-studio-49aa5d149ec9
