It is the abbreviation of 3 Japanese words: « Hohkoku, Renraku, Sohdan » and it is a way of life in Japanese companies. It is often the first piece of advice received when you start working in a company. The goals of this rule are:
Communicate on the advancement of the work which has been assigned to you, mentioning the problems and the results.
Obtain confirmation for your mission and its objective, advice or instructions to advance in a more efficient manner.
Create the team spirit and avoid an egocentric thought trend of the work.