What is define gratis?

"Gratis" refers to something that is given or done free of charge. It comes from the Latin word "gratuitus," which means "given freely." This term is often used in marketing and advertising to promote products or services that are provided at no cost, such as free samples, free trials, or free downloads. It is also used in the context of volunteer work or charitable donations, where people give their time or resources without expecting payment in return. However, it is important to note that "gratis" does not necessarily mean "without value" or "low quality," as many high-quality products and services are offered for free as a way to attract customers or promote goodwill.