The three flow charts illustrate the hiring processes and methodologies 
three
 different companies applied to new employees. Correct pronoun usage
that three
Overall
, they have 4-5 stages in the process in total, sharing similar stages like advertising, shortlisting, and interviewing before giving the job offer, but some details vary between companies.
Starting from the one possessing Linking Words
simplest
 recruiting process, the Correct article usage
the simplest
company
 A. The advertisement of hiring information inside the Use synonyms
company
 is done before a shortlist comes out. Following by, the Use synonyms
company
 interviews the candidates and sends the job offer to those they want. 
Use synonyms
Whereas
, Linking Words
company
 B actually starts from advertising , but does that in the press, and an additional stage , which considers the applicants, is inserted just after the advertising stage. The latter processes are basically the same, Use synonyms
while
 the only difference is that they test the candidates simultaneously when interviewing.
Linking Words
Company
 C has a distinct behaviour compared to the rest of the two companies, where they recruit externally at Use synonyms
first, 
and Linking Words
subsequently
 have advertisements by agents and research by headhunters at the same time. The following steps are quite similar, ending by giving a job offer.Linking Words