I'll mark you as brainliest and give you 5 stars if you help me with this :)

for the second question maybe the circles are guards or walls

and the third is maybe for some type of security

sorry if this doesn't help, i hope it does, i haven't learned about this tho

Explanation:

Among the factors affecting business environment and their impact on business, I think the most influential in our country is the economic environment. Philippines may be considered as one of the developing countries in Asia, that’s why investors do come in out country. A lot of Business Process Outsourcing companies have already established their businesses here. The work demand in this industry is high, as long as you have the qualities, lots of unemployed will be/have already given a chance to work.