朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

French window

window

aeroplane window

windowsill

a window in a small boat with a thatch roof

a window facing a stand of mugwort / (by extension) a poor country house

(Internet slang) opening 2 different windows (chatroom, etc.) at the same time