What are the most effective illustrated information in the CV that affect positively in the employer's choice to any job candidate?

Educational/training background, work experience, professional accomlishments 

Work experience in the field that he is applying for.

1- Training courses related to the position

2- Period of experience in the same field

KSA's (Knowledge - Skills - Abilities)

Relevant Qualification and experience, special accomplishments with respect to the position held and relevant training and workshop program which will help and add the value to the organization. 

Experience and personal skills

Work related experience and the  position  holded in previous organisation 

A well formatted CV with precisely written experience and achievements can be very impactful. Education and certifications also play a role.