das Niveau
level
The stage or degree of quality, ability, culture, or standards in a particular area.
Der Sprachkurs hat ein sehr hohes Niveau.
The language course is at a very high level.

level
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level
The stage or degree of quality, ability, culture, or standards in a particular area.
Der Sprachkurs hat ein sehr hohes Niveau.
The language course is at a very high level.

You can easily recognize the meaning of 'Niveau' (level) from the context. If people are talking about quality, skills, or culture, the abstract level is meant. If it's about water, buildings, or geography, the physical height is meant.
Das technische Niveau dieser Erfindung ist beeindruckend.
The technical level of this invention is impressive.
In its most common meaning, 'Niveau' (level) is often combined with adjectives like 'hoch' (high), 'niedrig' (low), 'gut' (good), or 'schlecht' (bad). It also often appears with the preposition 'auf' (at/on).
Die Diskussion war auf einem sehr hohen Niveau.
The discussion was at a very high level.
To express a change in quality, 'Niveau' (level) is often used with the verbs 'heben' (to raise; improve), 'senken' (to lower; worsen), or 'halten' (to maintain; remain constant).
Die Schule versucht, das Lernniveau zu heben.
The school is trying to raise the learning level.
status / stand
'der Stand' and 'das Niveau' can both express what stage or level something is at. 'der Stand' is often the current point in a development, for example the status of a project or the state of knowledge. 'das Niveau' more often describes the level of quality, ability, or difficulty, for example in language learning, sports, or teaching. They can be confused because both have to do with a level or stage. When it is about progress or how up to date something is, 'Stand' fits. When it is about ability or quality, 'Niveau' fits.

Im neuen Kurs ist das Niveau für mich etwas zu hoch.
In the new course, the level is a little too high for me.
Der Stand der Arbeit ist besser, als wir am Anfang gedacht haben.
The status of the work is better than we thought at the beginning.