伝 (Kanji for transmit)

Onyomi

DEN

A person transmits a command to decapitate the twin cows and DEN you have to carry it out.

( を ) つた＊える	I tell someone (use this one for, "Tell her I said hello!") ★★★★☆
( が ) つた＊わる	something is transmitted ★★★☆☆

手伝う(てつだう)

help ★★★★★
手 (hand) + 伝 (transmit) = 手伝う (help)

伝統(でんとう)

tradition ★★★☆☆
伝 (transmit) + 統 (tradition) = 伝統 (tradition)

tradition (traditional: 伝統的な　（でんとうてきな））

伝説(でんせつ)

a legend ★★☆☆☆
伝 (transmit) + 説 (explain) = 伝説 (a legend)

a legend - King Arthur or Lord of the Rings or whatever.