Final answer:
The activity where individuals share ideas in an open environment and record them is called brainstorming exercise.
Step-by-step explanation:
When two or more individuals share ideas in an open and accepting environment, and ideas within the group are recorded, it is called a brainstorming exercise. Brainstorming is a collaborative activity used to generate a wide array of ideas, allowing for creative thinking and synergy within a group. It's often a part of the problem-solving process where participants can freely suggest any ideas without immediate criticism or judgment, fostering an environment where creativity can thrive.