Web development encompasses the processes involved in the creation, construction, and upkeep of websites. This field includes various components such as web design, web publishing, web programming, and database management. Essentially, it involves the development of applications that operate over the internet, specifically websites.

Online Custom Application Development refers to applications that are designed and developed to meet the unique requirements of a particular organization or user. This stands in contrast to off-the-shelf application solutions that are created for the general market, including commercially available software and free software options.

Mobile application development refers to the process of creating software applications designed to operate on various mobile devices, including personal digital assistants (PDAs), enterprise digital assistants (EDAs), and mobile phones. This development process primarily focuses on producing applications for smartphones and tablets, with the most prevalent platforms being Android and iOS.

Search engine optimization (SEO) is a strategy aimed at enhancing a website's presence on search engine results pages (SERPs). The primary objective of SEO is to boost the volume of organic or non-paid traffic directed to a website from search engines such as Google, Bing, and Yahoo.

Social media management refers to the administration of a brand's digital presence across various social media platforms. This process encompasses the creation, scheduling, analysis, and interaction with content to fulfill marketing and communication objectives.

Digital marketing, often referred to as online marketing, involves the promotion of brands to engage with prospective customers through the internet and various digital communication methods. This encompasses a range of strategies, including email, social media, web-based advertising, as well as text and multimedia messaging as effective marketing channels.