This achievement standard involves applying graphical methods in solving problems.
For achievement criteria, key tips, assessment, practice information and related links go to: Studyit Mathematics 2.2 – Graphs
What are the specific features we need to talk about on the graphs such as Reflection and symmetry?
Kia ora @Nikhil
Is your question about the Level 2 graphing internal? As this could be assessed in various ways and may not always include reflection and symmetry. A lot of the time you would be required to use graphs to model a situation, where you may need to form equations or translate graphs.
The key things for this standard can be found here: https://studyit.govt.nz/Maths/level/5/standard/2.2