meanings of abbreviations (Erläuterungen der Abkürzungen)

Hi,

What do you make of the following translation:

‘meanings of the abbreviations used in document XXX’
or
‘definitions of the abbreviations used in document XXX’

This is the German orginal:
Erläuterungen der Abkürzungen im Dokument XXX

Many thanks,
Torsten[YSaerTTEW443543]

TOEIC listening, photographs: Changing light bulbs[YSaerTTEW443543]

Explanations of ?

meanings of the abbreviations used in document XXX’[YSaerTTEW443543]

TOEIC listening, photographs: A doctor’s surgery[YSaerTTEW443543]