Update skills - PC, communication, making travel arrangements (for busy traveling or globe hopping bosses), etc.
Some objectives are unique to each job. Improving ways of handling manager's/dept mail, for example, if manager is behind with mail or inbox is overflowing. Take initiative and ask about specific types of mail and how to expedite those types of mail without supervision.
Similarily handling routine phone calls, if possible.
Doing research to save money. This depends on size of company or dept in terms of methods to save money.
And working on areas of weakness. Improving math skills, perhaps.