The phrase 'puer canem videt' translates to 'the boy sees the dog' in English, serving as a classic example of a Latin sentence structure. In this phrase, 'puer' is the subject, 'canem' is the direct object, and 'videt' is the verb. Understanding how this phrase operates helps clarify the role of direct objects in Latin sentences, where the direct object receives the action of the verb and agrees with it in case, number, and gender.