Final answer:
A message or data in its readable, natural format is known as plaintext. It contrasts with encrypted data, which requires a key to be understood. Understanding this distinction is essential in areas like computer technology and digital communication, and efforts like the Plain Writing Act encourage clarity in communication.
Step-by-step explanation:
A message or data in its natural format and in readable form is typically termed as plaintext or unencrypted data. This form of a message can be easily understood by individuals without the need for special decryption or special software. In contrast to this, encrypted data would be in a format that is not immediately understandable without the proper decryption key.
Within the realm of Computers and Technology, this concept is crucial. Cell phone conversations, television voice and video images, and computer data are often transmitted in digital format, primarily as binary code, which is a series of ones and zeros. Despite the digital form being less readily human-readable, it can enhance the quality of data transmission, especially in cases of weak signals.
In business communications and real-world applications, including legal and government documents, a movement towards plain English has been recognized and legally mandated by legislation such as the Plain Writing Act of 2010. The purpose of using plain language is to ensure clarity and understandability of the messages being communicated. This makes complex information like financial regulations or cosmic radiation data more accessible to wider audiences, without compromising the integrity of the message.