To gather information about something is to learn facts about it. The word "gather" suggests finding things in a number of different places from its more literal sense of collecting and bringing together things which are scattered about.
It means to find out or review everything related to the problem(:
what are examples of information-gathering technologies
Information gathering is an art & science.
Intelligence when referring to gathering intelligence on terrorist communities means information obtained to ward off a terroristic threat. Information can inlcude demographics on specific groups, individuals, and companies.
One word for gathering important information is, "Research".
"Polling" is simply the gathering of information from the public by means of randomly questioning a sample of people.
The gathering of scientific information is called research.
getting information
Direct method of gathering information in an orderly way?
Gathering information is taking in data. This is getting ideals and putting them together.
The state of "Wisconsin"
Information gathering... probably research