This is the 1317th most frequent German word.
spezielle
"Special" or "specific."
The word 'spezielle' here modifies 'Informationen', meaning that the information has distinctive or particular qualities.
Dieses Buch enthält spezielle Informationen über Geschichte.
This book contains special information about history.
Here 'spezielle' describes 'Sammlung', specifying that the collection has unique or specific features.
Mein Freund hat eine spezielle Sammlung von antiken Münzen.
My friend has a special collection of antique coins.
In this case, 'spezielle' qualifies 'Fähigkeiten', indicating that the skills are not general but specific to the task at hand.