additional
The German word 'zusätzlich' is used to express the concept of 'additional'. It can be used to describe something that is extra or added to something else. For example, 'Ich habe zusätzlich einen Salat bestellt.' (I ordered an additional salad.)
In addition to my job, I am doing an internship.
In this sentence, the word 'zusätzlich' is used to depict a situation where the speaker is engaging in an extra activity in addition to their regular job.
Additionally, they should submit a report.
Here, 'zusätzlich' is used to introduce an extra requirement or task that is expected to be performed by 'they' (in this case, presumably some people).
Additionally, we offer you a parking space.
In this example, 'zusätzlich' is used to describe an extra service being offered. The speaker is presumably a business, and they are providing the listener with an additional offering of a parking space.