A data entry clerk, sometimes called a typist, is a member of staff employed to type data into a database using a keyboard. The keyboards used can often have specialist keys and multiple colours to help them in the task and speed up the work. wikipedia.org

WordPress is a free and open source blogging tool and content management system (CMS) powered by PHP and MySQL. It has many features including a plug-in architecture and a template system. wikipedia.org

Trello is a free web-based project management application. wikipedia.org

AliExpress is an ecommerce platform. wikipedia.org

eBay.com is an online auction and shopping website in which people and businesses buy and sell a broad variety of goods and services worldwide. wikipedia.org

Directory submission is an internet marketing process of submitting a websites to web directories in an effort to increase its page ranking. To maximize its benefits, internet marketers claim that it has to be done to hundreds of web directories.

Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

Backlinks, also known as incoming links, inbound links, inlinks, and inward links, are incoming links to a website or web page. wikipedia.org