母が誕生日のプレゼントを送ってくれた。

mother

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

birthday

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

present; gift; to give a present or gift

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to send (a thing); to dispatch; to despatch; to transmit; to take or escort (a person somewhere); to see off (a person); to bid farewell (to the departed); to bury; to spend (time); to live one's life; to pass (down the line); to affix okurigana