Literature Reference: The heart and mouth make a pact: do not speak until drunk. From 'Sixteen Poems in Imitation of Tao Qian, No. 11'.
心: Heart and intention, often used in names to signify sincerity, is conducive to attracting noble assistance.
约: Simple, inviting. When used as a name, it often describes a person with strong capabilities, adept at resolving various issues.
Meaning: A pact between the heart and mouth, symbolizing self-discipline and restraint.