Mr. W.E. Vine, in his Expository Dictionary of New Testament Words, gives this as the primary definition: "the expression of thought, not the mere name of an object."
O Dicionário Expositivo do Antigo e do Novo Testamento de Vine, yi lombolola okuti, ondaka ya tukuiwa kelivulu lia Yoano, kelimi liatete ka yi lomboloka oku tava ño kocina cimue, pole, yi lomboloka "oku kolela lutima wosi."