こちら, 此方, こっち, こち
Pronoun, See そちら・1, See あちら・1, See どちら・1, Usually in kana, direction close to the speaker or towards the speaker
1. this way, this direction
place close to the speaker or where the speaker is
2. here
something physically close to the speaker
3. this (one)
4. I, me, we, us
Only こちら, someone physically close to the speaker and of equal or higher status
5. this person
叔母さん、こちらはトム君です。
は
Particle, pronounced わ in modern Japanese
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis