What is customer service? Do customer support officers display outlook of the company?

Customer service looks after the clients satisfaction; and yes they are the face of the organization.

Customer service representatives interact with customers on behalf of an organization.
They provide information about products and services and respond to customer complaints.
Some also take orders and process returns.

We are still not getting there

Customer Service is all about Satisfaction of your clients.
Customer Support Executives are liable to provide positive customer service experience and leave a good impression on the customer which lead to increase in percentage of Satisfied Customers and boost in Monthly Revenue..

customer service means helping customers efficiently, in a friendly manner. It's one of the things that can set your business apart from the others of its kind...

yes They are the strength of an organization,,

Customer service is the service you provide your client.
This means doing something the way the customer wants it done.
They paid for that service and we should be able to provide that service to the full satisfaction of our client or customer.
That way that customer will come back for that service you have provided.
as for the second question.
Yes!!! Customer support officers do display the outlook of the company whether they like to or not.
It is because they are the one who directly deals with the customers.
It is their actions who is seen first hand by the customers, therefore is seen as how a company does business.
customer will not see individual actions.
Instead, that action done by an individual is seen as an action of the whole company.

What do you mean by After Sales?

After Sales means that Sales personnels have to attend and rectify the customers requirement

on sold goods by replacing a new product or by doing repair and make it right in function to attain satisfaction of the customers.