Interpretation services involve translating spoken language from one language to another in real time. This helps individuals or groups who speak different languages communicate effectively during events, meetings, medical appointments, legal proceedings, and more.

The five main types of interpretation are:

1. Simultaneous interpretation – real-time delivery during conferences or live events
2. Consecutive interpretation – interpreting after the speaker pauses, ideal for interviews or meetings
3. Whispered interpretation (chuchotage) – delivered in a low voice to a small audience or individual
4. Escort or liaison interpretation – for guided tours, site visits, or informal business interactions
5. Over-the-phone or video remote interpretation (OPI/VRI) – done remotely via phone or video platforms

An interpreter works with spoken language in real-time settings, while a translator works with written content. Interpreters must think and respond quickly, whereas translators focus on written accuracy and formatting.

A common example is a simultaneous interpreter translating a speech at a global summit. The interpreter listens to the speaker and delivers the translated version in real time through audience headsets.

The four levels typically refer to:

1. Literal interpretation – word-for-word translation
2. Contextual interpretation – based on the situation and speaker’s tone
3. Cultural interpretation – adapting culturally sensitive phrases
4. Intent-based interpretation – focusing on the speaker’s intended meaning and impact