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Share of wallet or share of customer 

The 

proportion of customer expenditure in a particular 

category that belongs to a single customer.

 Single-  tenancy  SaaS 

A single instance of an 

application (and/or database) is maintained for all 

customers (tenants) who have dedicated resources of 

processor, disk usage and bandwidth. The single instance 

may be  load-  balanced over multiple servers for improved 

performance.

Site map 

A graphical or text depiction of the relationship 

between different groups of content on a website.