Englishfor English speakers
confidentiality
—
noun
the state of being secret
you must respect the confidentiality of your client's communications
—
noun
discretion in keeping secret information
of
Preposition
—
Made using.
It is a house of cards.
data
Noun
—
Data is information, such as facts, numbers, photographs, etc.
A study using experimental data from ten schools found no difference between methods.