*** Background ***

This is an example of a theoretical research/review abstract, written in free-format style.
Note that the section headings are different from that of an empirical research abstract.

Writing in free-format allows more liberty for composing your abstract.
Retaining the lines surrounded by "***" will enable to system to properly process them as section headings.

*** Aims ***

Write aims, objectives and goals of the research here.

*** Main Contribution ***

Write what has been achieved by the research here.

*** Implications ***

As a concluding section, write the implications and perspectives for future research here.