When we talk about things that are visible, we often use a range of different synonyms to describe them in different ways. Some of these synonyms might include words like "apparent", "perceivable", "observable", "noticeable", and "evident". Each of these words conveys a slightly different nuance of meaning, but they all generally refer to things that can be seen or otherwise sensed in some way. For example, something might be "apparent" if it is easily understood or perceived, while something might be "evident" if it is clear or obvious. Ultimately, the choice of synonym will depend on the context and the speaker's intention, but using a range of different words can help to add variety and interest to our language.