Final answer:
ODAS stands for scientific, meteorological, or oceanographic subjects. Fl(5) 20s represents the characteristic of maritime navigation lights. ID types can vary depending on the context.
Step-by-step explanation:
ODAS is an acronym used to represent scientific, meteorological, or oceanographic subjects. It is commonly used in the field of environmental science and research. The acronym has different applications, such as ODAS buoy systems used for collecting data in oceans and ODAS software for meteorological modeling.
Fl(5) 20s represents the characteristic of the lights used in maritime navigation. Fl(5) means the light flashes five times, and 20s indicates the interval between flashes is 20 seconds.
ID types refer to the identification methods used for different light signals. In this case, the ID types are represented by letters, but this may vary depending on the specific context or system being referred to.