Literature Reference: 夏，大也；立，正也。——《说文解字》 Xia means greatness; Li means uprightness. Source from 'Shuowen Jiezi'.
夏: Summer, the season of vitality and vigor, embodies a spirit of health and exuberance.
立:
Meaning: Like the grandeur of summer, upright and steadfast, symbolizing growth and stability.