This is the 4678th most frequent Russian word.
доступна
Available; accessible.
Here, 'доступна' is used to indicate that the book can be obtained or utilized by users, implying its availability.
Книга доступна для скачивания с нашего сайта.
The book is available for download from our website.
In this sentence, 'доступна' conveys that the information has been made accessible to a group of people.
Информация о проекте теперь доступна всем участникам.
The information about the project is now available to all participants.
Here, 'доступна' restricts availability to a specific subset of users, indicating a conditional access.