明Bright. The state of being illuminated by light and seeing clearly. A hopeful and positive attitude. A detailed understanding of things. To be clear. To distinguish. Smart. Wise. Light. To light up.
丈The vertical length of height, clothing, objects, etc. Strong. Robust. Firmness. To measure the area and shape of land. A unit of length in the Shaku-kan method. An honorific title for an old man or elder.
介Help. A person who helps. To be near, to accompany. to take care of. To intercede. To make friends with. to separate. to separate. to be firm. To protect tightly. Something that covers the outside to protect oneself. boundary. border.
愛Love. to love.To care for and cherish. To be attracted to. To be attached to a particular person.Not wanting to give up something important. To regret.