This is the 5637th most frequent Russian word.
предназначена
"Intended" or "designed for."
Here, 'предназначена' indicates that the book's purpose or design is specifically for students.
Книга предназначена для студентов.
The book is intended for students.
In this case, 'предназначена' is used to specify the designated purpose of the room.
Эта комната предназначена для собраний.
This room is intended for meetings.
'предназначена' here conveys that the program is designed or aimed at the purpose of teaching programming.