春 (chūn): Spring. This character depicts the sun (日) nourishing new plants (屯) as they sprout from the earth, symbolizing a new start.
暖 (nuǎn): Warm. The left side is the “sun” radical (日), indicating that the warmth comes from the sun.
花 (huā): Flower, blossom. The top part is the “grass” radical (艹), linking it to the world of plants.
开 (kāi): To open, to bloom. The character originally depicted lifting a latch on a gate (門), conveying the idea of opening up. Here, it specifically means flowers opening their petals.
These four characters combine to create a simple, sequential, and powerful image: Spring (春) arrives, bringing warmth (暖), which causes the flowers (花) to bloom (开). This natural progression forms the basis for its deep metaphorical meaning of renewal and hope.