The person in charge of work includes department leaders, project managers and other responsible persons. Take the project manager as an example to explain this thinking.
There are several situations:
(1) When the company (boss, leader, Party A) hands over the matter to you, you will be responsible for this matter, (you have the ability to complete it) but not necessarily by you. You can arrange to coordinate with others to complete it. Fortunately, arrange to complete this task so that the people who do the work can get the ability to improve. But you are responsible for the results and for the person who handed it over to you.
(2) When a company (boss, leader, Party A) consults you about something, if the matter is in your company, then you are also responsible for the result of the consultation, not necessarily because you collect the answers , But be responsible for the results of the consultation. If it is not in your company, for example, a certain function is developed by another company and is beyond your jurisdiction, you only need to do the referral work.