For me I am a perfectionist in the following ways:
+ I need things to be planned out. I need to know where I am going, when I am going, how I am going to get there, what I need, what I don't need, when I need to be there etc. If I don't know these things for any situation that might require it, I get very flusted. I just need to know so I can plan acordingly and so I know what I am doing. This could be seen as perfectionistic.
+ I am anal retentive about things being in order. For example, if pictures, posters, and other things are uneven or out of alignment, I will sit there and fix it until it looks right. Things need to have there place, and I need to know where they are and where they will be.
+ If I have never done something before, and I have no trust in myself to do it right, I will need directions in front of me. For example, people always laugh at me when I bake something. I follow the recipe to-the-letter. Every measurement is completly balenced and even. I have to follow the recipe exactly as is or I get pissed. However, I will add seasonings and spices without a problem if I feel it will add something (such as vanillia or chili oil).