PAK Electronic Flash Cards
The PAK Flash cards are meant to accompany the Condensed Summary. This is a reference tool containing concepts that you should try to memorize. 
 
The best practice is to read the study manual to familiarize yourself with the materials (once or twice). Then, read the condensed summary and add your own notes as you go through it. As you read the condensed summary a second and a third time, it should take you less and less time to go through the entire syllabus. Then, read through of all the flash cards in a shorter time than reading the condensed summary.
 
One of the difficulties of the FSA level exams is understanding and remembering the entire syllabus. The flash cards help in training your brain to save important concepts from throughout the syllabus and to be able to review material in a short amount of time.
 
Bonus: PAK Electronic Condensed Summary
The PAK Condensed Summary is meant to fix knowledge and concepts grasped in the study manual. As you read the PAK Condensed Summary, try to understand how each concept feeds into the next one. Try to fill in any gaps in your knowledge. 
 
The PAK Condensed Summary is a memorization tool that highlights only the key items from the source syllabus. The PAK Condensed Summary lists out the main concepts that are needed in order to tackle retrieval type questions and provides you with a strong basis to tackle cognitive type questions.
 
Unless you have outstanding knowledge about the syllabus, you are expected to read the Condensed Summary after reviewing the Study Manual. You are also expected to tackle some past exam questions and the 75+ MOCK problems from the PAK Exam Aid and PAK Test Aid together with the summary guides (the condensed summary and the flash cards).
 
You are not advised to solely rely on the condensed summary and flash cards to prepare for this exam.