A good general recommendation is to fill half your plate with veggies, a quarter with starchy carbs, and a quarter with a rich source of protein.
If you are eating whole foods (that is a good goal!), each of your foods will contain more than one macro nutrient. The macro (large, need more of) nutrients are protein, fat, and carbohydrate.
My tip for you today is to start your meal by eating mostly your protein first. I would argue that your foods high in protein are the most important and they also tend to be the most satiating.
If your goal is to shed some body fat, this is a great habit to get into. It will help you feel satisfied sooner as you eat your meal.
If your goal is to build lean muscle, this strategy is still useful as you will need to prioritize your protein intake.
To wrap it up, as you are eating through your meal, try to make sure you finish your protein source before you finish the other foods on your plate.
Good sources of protein include meat, eggs, and dairy. Plants can provide protein as well.