The kanji 孝 primarily represents the concept of filial piety, which is the virtue of respect for one's parents, elders, and ancestors. It encompasses showing reverence, care, and obedience, as well as honoring their memory. It is a fundamental concept in East Asian cultures, deeply tied to family values and social harmony.

・On-yomi (音読み): コウ (kō) ・Kun-yomi (訓読み): おやこう (oyakō)

⚫︎ 孝行 (kōkō) Translation: Filial piety, devotion to parents. ⚫︎ 孝心 (kōshin) Translation: Filial heart, a heart of devotion to one's parents. ⚫︎ 父母に孝を尽くす (fubo ni kō o tsukusu) Translation: To show filial piety to one's parents.

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The kanji 孝 is a pictographic compound character. The top part represents an old man, and the bottom part represents a child supporting the old man. This combination visually portrays the act of a child supporting and caring for their parents, symbolizing filial piety. The character evolved over time, but the core visual elements representing the relationship between the old and the young remain.