Translation services typically involve translation of written material from one language to another. It can be generated by a computer or artificial intelligence, or done by an individual. Translation certification and quality assurance levels vary. Translation services are usually charged by the word or document length.
Interpretation services include translating live spoken word from one language to another. It can include simultaneous (at the same time) or consecutive (immediately after) interpretation. Interpretation services are usually charged by the hour.
In certain situations, such as medical care or government agency appointments, free or low-cost translation services may be available. If translation is needed, check with the staff.