A neighborhood is an area of a city with its own name and feel. People say "I live in the Heights" or "in Midtown". Neighborhoods often differ a lot in price, safety, schools and noise, even when they are close to each other.
A subdivision is a group of houses built together by one developer, often on curving streets with one or two entrances from a main road. All the houses may look similar. Subdivisions usually have only homes inside. Shops are outside on the main roads.
Master-planned communities
A master-planned community is a very large development planned from the start, with many subdivisions, parks, trails, pools, schools and sometimes shops. They have names like "Something Ranch" or "Something Lakes". Living there usually means an HOA and extra fees.
An HOA (homeowners association) is a group that manages a subdivision, condo building or townhouse community. All owners must belong and pay HOA dues (a monthly or yearly fee). The HOA maintains shared areas and enforces rules called CC&Rs.
Common HOA rules:
Lawn length, weeds and yard care.
Where you may park, and no boats, trucks or broken cars in driveways.
Trash cans must be out of sight except on pickup day.
Paint colors, fences and decorations need approval.
Limits on short-term renting and how many cars or people.
If you rent a house or condo in an HOA:
The owner usually pays the HOA dues.
You still must follow the rules. A violation letter may be sent to you or to the owner, and fines are often passed to you through the lease.
Ask the owner for the HOA rules before you sign, and for pool and gate access.
A gated community has a gate at the entrance, sometimes with a guard. You enter with a code, remote, app or by giving your name. Delivery drivers and guests need the code or must be added to a list. Gates do not guarantee safety; they mostly reduce through traffic.
Parking on the street or lawn when the HOA forbids it, then getting a fine.
Not giving delivery services and rideshare drivers your gate code.
Thinking a house without an HOA has no rules. Cities also have rules on yards, trash and parking.