Answer:
In programming, flags should be regarded as switches or switch positions. In this specific case, the flags provide information about the section type from which the result comes. Here is an overview of all the flags and their meanings:
| Flag | Meaning |
|---|---|
| R | REGULAR_DIVISION |
| U | USER_DEFINED |
| E | EXTREME |
| L | LOADED |
| C | CONCENTRATED_LOAD |
| CL | CONCENTRATED LOAD LEFT |
| CR | CONCENTRATED_LOAD RIGHT |
| M | MESH NODE |
| N | NODE |
| NL | NODE_LEFT |
| NR | NODE_RIGHT |
| I | IMPERFECTION |