Dependent Fields: Dependent fields enable the standard “cascading picklist” user
 interface pattern, in which user selection in one picklist filters the available values
 in a second.
. Record Types: Record types allow records in a single object to take on multiple
personalities in the native user interface. For example, the standard object Account
is designed to store information on businesses, but with minor adjustments can support
data on individuals as well.This can be accomplished with record types.
.Roll-Up Summary Fields: Roll-up summary fields are like formula fields that
operate on a group of records, calculating their sum, minimum, maximum, or a
record count.
.Field History Tracking: Field History Tracking is an audit trail for your objects.
As records are updated, details of the changes are stored in a separate history object.
Details include the user modifying the record, the fields modified, and the old and
new values.
. Tags:Tags are an alternative way to search for records.They are user-created,
informal annotations of records that can be easily searched and shared to drive
collaboration.
. Force.com Connect Offline: This feature brings portions of your Force.com
database directly to your desktop.You can work disconnected from the Internet,
and your data is synchronized with Force.com when you reconnect.
. Custom Settings: Custom settings store and manage user preferences, aspects of an
application that can be configured by users rather than hard-coded by developers.
. Sample Application: Three of the preceding features are applied to enhance the
Services Manager sample application.