折线图

• 扌(hand; arm)RADICAL
• 斤(axe)PHONETIC

Using your hand to grip an axe and chop off a tree branch is the meaning of the character 折.

• 糸(thread; silk)RADICAL
• 泉(stream; water)PHONETIC

A thin thread flows like a small stream running long and continuously.

• 囗(surround; square frame)RADICAL
• 冬(winter)PHONETIC

A map is a frame enclosing all regions of land, and when read closely sounds like "dong" (winter).