Judging functions (helps you make decisions).

Perceiving functions (helps you understand what's going on around you or in your thoughts).

Oriented in external world (these help you deal with what's happening around you right now. You might use these functions to solve a problem at work, have a conversation, or notice something important).

Oriented in inner world (these help you think deeply, remember past experiences, or understand something on a deeper level. You might use these functions to reflect on your feelings, plan for the future, or make sense of something confusing).

This is your main tool for interacting with the world. Your dominant function is developing during childhood. For example, you extremally sensitive and values the friendships deeply since you were child, you know for standing up for what you believe is right. Even, as a child you can understand what most of import for you. Now, you draw to causes that align with your strong sense of ethics and values. Your dominant function is Fi Introverted Feeling.

This is your second-most used function. It supports your dominant function and adds balance to your personality. Often starts to develop in late adolescence. For example, as in adolescence you become interested in various subjects like art, history, and science, always seeing connections between them. Your auxiliary function develops as good brainstorming and coming up with creative solutions to problems, which means Ne - Extraverted Intuition.

This is your third-most used function. You're somewhat comfortable with it, but it's not as strong as the first two. Generally, begins to develop in mid-adulthood, around the late 20s to 30s. It adds more depth to how you handle situations but is not as strong as the dominant and auxiliary functions. Example, in this stage of your life you find that you value traditions more, finding comfort in routines and past experiences. You developed your Tertiary Function, as Si – Introverted Sensing.

This is your least-used main function. You have it, but you're not very comfortable using it, especially under stress. This starts to become more noticeable and may become a focus for development in mid-life. For example, after some life experience you realized that you need to become more organized and efficient in achieving your goals, not just passionate about them. You find in yourself Inferior Function, as Te – Extraverted Thinking.

May become more noticeable in early to mid-adulthood, often coming into conflict with dominant function. Example: you may find yourself in conflict with people who make decisions based on group harmony rather than individual values, (Fe - Extraverted Feeling).

Might become more apparent in mid-adulthood and is often focused on pointing out weaknesses or flaws. Example, you become more critical of people who seem to act based on hidden agendas or are too focused on the future at the expense of the present, (Ni - Introverted Intuition).

This function can be misleading and usually emerges under stress or in unexpected situations. Its development is less predictable. Example: you become overly indulgent in sensory experiences, like eating too much or binge-watching TV, as a way to escape, (Se - Extraverted Sensing).

Typically, this function emerges under extreme stress and can lead to behaviours that are very unlike you. It is usually the last to develop if it does at all. Example: you might overanalyse situations to the point of paralysis, unable to make a decision because he's too caught up in the details, (Ti - Introverted Thinking).