You have proven IT and mathematical skills, demonstrated through relevant qualifications or work experience.
You know about these skill and appreciate how they are applied in the environment. (Relevant skill level: awareness)
You know how to apply your knowledge and experience of these skills, including tools and techniques. You can adopt those most appropriate for the environment. (Relevant skill level: working)
You know how to share your knowledge and experience of these skills with others, including tools and techniques. You can define those most appropriate for the environment. (Relevant skill level: practitioner)
You have knowledge and experience in the application of these skills. You are a recognised specialist and adviser in these skills, including user needs, generation of ideas, methods, tools and leading or guiding others in best practice use. (Relevant skill level: expert)