It means one parent has greater possession of the child.
You need to discuss that with the other parent.
The purpose of joint legal/physical custody is for the parents to cooperate in all decisions, but in the real world this has not happen. see link
It means one parent is granted physical custody of the child the majority of time (in other words, your primary residence is with that parent). However one parent may have primary physical custody but joint legal custody where the other parent has equal decision making power in the child's life.
In joint legal, the primary residential can.
Yes if ordered by the Judge. But usually they will have a primary residence. Visitation is listed in the order or the other parent. If you don't have an order of custody or it wasn't addressed, you can always file a motion to have it changed.
The court order should have specified who has the final say when matters cannot be agreed upon by the parents. Often this is the parent that is deemed the primary residence especially if the parents live in different school zones.
It means the child will primarily reside with one parent, but both parents are allowed adequate time with the child. Joint legal custody with primary residence means the child will primarily reside with one parent, but both parents retain the right to jointly make decisions regarding the welfare of their child (school, religion etc). Indiana Legal Services warns parents that joint custody does not necessarily mean an exact 50 percent split in time spent with each parent but the courts will try to make it as equitable as possible.
Generally, the parent without physical custody but the court will decide.
By determining that the right of a parent to primary custody of the child supersedes the best interest of the child.
Primary custody is generally defined as belonging to the parent with whom the child or children reside with the majority of the time. It does not mean that it cannot be a joint custody arrangement as well.