A database is a collection of documents related to a specific topic or task. An example of a Notes database would be a Customer or Contact Management database, all documents related to your customers would be stored in a single database. Any number of databases can be created in Notes. Replication - Lotus Notes has the ability to distribute information to remote or geographically separated sites. The concept of replication was pioneered by Lotus.
Replication provide a means to apply the changes only from one database to another and vice versa.
During the course of the day the salesmen will update his database with any changes that resulted form his sales calls. Meanwhile the home office has been updating the customer database with new information. The need to create a separate HTML documents for your information is not necessary. Domino does it for you. The notes mail systems provides native Internet mail protocols such as SMTP and POP3 allowing for the delivery and retrieval of internet mail.