Before taking notes, the most important thing is that you need to read the labels of a carb chart for foods written on it. There is information on serving size and total carb amount you will intake from the food. Then you can measure and take notes on your daily journal and nutritions table to maintain your daily intake.
A low-carb diet limits or excludes processed sugars and starchy foods and focuses on an intake of healthy fats and proteins such as meat, fish, eggs, and vegetables. Luckily, a low-carb diet doesn't have to be restrictive since there are plenty of delicious options to keep you feeling satisfied and full.
On the carb counter list you can write the food, grams or serving, how much you eat and how many grams of carbs you have consumed during breakfast, lunch and dinner. You don’t really need to write in detail in gram, probably just take a measure on your own like for one serving you take half serving such as that.
Some foods we consider vegetables, like tomatoes or avocados, are technically fruits and also pass the low carb test. Good fats are essential for good health, but especially a low-carb or keto diet, making up much of the caloric intake. Healthy fats can be found in eggs, coconut oil, avocado, olives, flaxseed, nuts, and salmon.