Advanced ETL Processor is a Codeless ETL Tool. It has two major components Data transformation engine and Automation engine
Transformation engine converts data from one format into anther for example text file into excel file. Typical transformation consist of reader, validator, transformer and writer. Data flows from the left to the right.
Automation Package consist of actions. Action represent a single step of work. For example copy file or send email. Every package has a stating point. Action has two execution statuses Failure or Success. Once action execution is completed next action is executed depending on the execution status.
Please also watch the repository videos. Understanding working with the repository is extremely important.