Briefly on using dictionaries
Local and online dictionaries
Unlike a local dictionary, an online dictionary is available only when there is an active Internet connection.
More: local and online dictionaries
System and user dictionaries
System dictionaries are dictionaries supplied by ABBYY.
User dictionaries are dictionaries created by you or other ABBYY Lingvo users.
More: user dictionaries
Bookshelf
Only the dictionaries shown on the bookshelf are used in translation:
More: bookshelves
Removing a dictionary from the bookshelf, placing a dictionary on the bookshelf, enabling or disabling a dictionary, choosing a different bookshelf for work
More: sequence of dictionaries on the bookshelf
How you can change the sequence of dictionaries and why
Enabled and disabled dictionaries on the bookshelf
You can disable any dictionary on the bookshelf by clicking its icon. A disabled dictionary does not deliver translation or search results even though it is shown on the bookshelf (its icon is “not depressed”).
To enable a dictionary, click its icon again.