Pay per Click is the most widely used Advertising Concept on Search Results. The concept of advertising your business is self-explanatory - "Pay as per user Clicks". Each Search Engine works a little differently related to Website Advertising.
2A Business Account is set up with these Search Engines which would display an advertisement of your product on their Search Results based on pre-selected parameters. An advertising budget, along with target parameters; work together to cater your business advertisement to selective target audience. This not only ensures that you do not unnecessarily cross your budget but also ensures that your business reached the correct people.