Accessibility is a term used to describe the degree to which something, such as a website, building, or product, can be used by people with disabilities or impairments.

The Association for Computing Machinery (ACM) is a US-based international learned society for computing.

Google is an American multinational technology company specializing in Internet-related services and products.

The Internet Archive is a non-profit digital library that aims to provide universal access to all knowledge.

Java is a general-purpose programming language that is widely used in the software industry.

JSTOR is a digital library founded in 1995 and widely used by researchers, educators, and students.

PDF, short for Portable Document Format, is a file format used to present documents in a manner independent of application software, hardware, and operating systems.

Public domain refers to the body of creative works, knowledge, and other intellectual property that is not protected by intellectual property rights, such as copyright, trademark, or patent.