Complex sentence: It is known for its immigrant populations, single room occupancy (SRO) hotels, ethnic restaurants, bars and clubs, alternative arts scene, large homeless population, public transit and close proximity to Union Square, the Financial District, and Civic Center.
Split into simpler sentences: It is known for its immigrant communities, single room occupancy (SRO) hotels, restaurants, artistic community, and large homeless population. The Tenderloin is well served by public transit and is near Union Square, the Financial District, and Civic Center.