Customer support is a range of customer services to assist customers in making cost effective and correct use of a product. It includes assistance in planning, installation, training, trouble shooting, maintenance, upgrading, and disposal of a product. wikipedia.org

Lead generation, or lead gen is a marketing tool used, particularly in internet marketing, to generate consumer interest or inquiry into products or services of a business. wikipedia.org

A transactional account is a deposit account held at a bank or other financial institution, for the purpose of securely and quickly providing frequent access to funds on demand, through a variety of different channels. wikipedia.org

Fraud analysis is the process of extracting data, using audit analytics, and sampling data sets for patterns or irregularities in transactions that could indicate a fraud. A fraud is an intentional deception made for personal gain or to damage another individual. wikipedia.org

Technical support or tech support refers to a range of services by which enterprises provide assistance to users of technology products such as mobile phones, televisions, computers, software products or other electronic or mechanical goods.

Customer service is the provision of service to customers before, during and after a purchase. wikipedia.org

Internet fraud refers to the use of Internet services or software with Internet access to defraud victims or to otherwise take advantage of them, for example by stealing personal information, which can even lead to identity theft. wikipedia.org

Freshdesk is a cloud-based customer support platform.

Zendesk provides web-based help desk software with a support ticket system and a self-service customer support platform. wikipedia.org

Chat technical support is a form of technical support delivered via online chat. Online chat refers to a kind of communication over the Internet that offers an real-time direct transmission of text-based messages from sender to receiver. wikipedia.org

A consumer complaint or customer complaint is an expression of dissatisfaction on a consumer's behalf to a responsible party. It can also be described in a positive sense as a report from a consumer providing documentation about a problem with a product or service. wikipedia.org

Customer retention agents work with existing customers to retain their business through probing, effective listening, building value, and overcoming objectives. wikipedia.org