<b>User Services</b>... basically, UI controls and coding that is responsible for interacting with the user. Things such as presenting data, accepting input, showing messages to the user, etc. (cForms.vcx, cControls, etc.)

<b>Business Services...</b> this entails classes and code the is reponsible for defining business domian rules... Things like, If a customers credit rating is 4 they can order up to $5,000 per month on credit. Or, this may be code that posts GL transactions. (Business objects, generally, there are still some UI stuff in CB bizobjects. Also, there is no current way in CB to physically seperate the User and Business tiers.)

<b>Data Services...</b>... this is generaly the physical manipulation of the data and the integraty thereof seperate from the bizrules. Handels saves, generating keys, cascade deletes, audit trails, etc. (This is generally a combination of the data behavior objects and the VFP data engine (.DBC definitions) or SQL server or other basckend you are using.)

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