Distinguish Between Reports, Abap Query,LIS

1) LIS stands for Logistics Information System. 

It is the information systems used to plan, control, and monitor business events at different stages in the decision-making process.

The Logistics Information System is made up of the following information systems which all have a modular structure:

- Sales Information System 
- Purchasing Information System 
- Inventory Controlling 
- Shop Floor Information System 
- Plant Maintenance Information System 
- Quality Management Information System 

Tools are available in Customizing to allow a self-defined information system to be created and tailored to specific requirements.

2) Reports:

SAP Reports are Programmes which are used to fetch data from SAP database under specified selection criteria and show in list viewer. Later you can view, download & take decisions appropriately.

There are many standard reports in SAP for various modules. For SD Module watchout TCode SD01. You can always code your own report they way you want in some cases.

3) ABAP Queries

These are the report which users can prepare without knowledge of the ABAP programming language to define and execute their own reports. Normally Functional Consultants use these ABAP query tool to create and run simple reports by themselves instead of coding by ABAPer. Its flexible and convinent. However you should be well thorough with different tables to map query and fetch data.