- a rule of conduct or action by authority that need to recognized first.
- a set of moral principles or values
- standard about something right or wrong
- principle that conduct governing an individual or a group.
::Protecting Program or Data
a) copyright - the right of developer of the system or the application.
b) patent - a kind of the program or types of data.
c) trade secret - the owner must protect the secret of the content, such as by storing it and by making employees sign a statement that they will not disclose the secret.