A ship's flag is referred to as an Ensign .
The California flag is called the bear flag.
It is called "Red Ensign". The Ontario's flag is called "Red Ensign".
A flag specialist is called a vexillologist.
A knight's flag is called a Pennon. It is a small flag on end of lance.
The "field." The horizontal length of the flag is called the "fly." The height of the flag is called the "hoist."
A Flag
Such a flag is called a national flag.
a flag maker is called a bing bong beggar
pennant or pennon
When you hit the flag in golf its called a pinshot.
The flag of Scotland is called the Saltire and The Cross of Saint Andrew.
The flag of the US state of North Dakota is called North Dakota's Flag.