(3.3) Let $Y$ be a $K$-analytic space, let $B$ be a topological space and let $f\colon Y\to B$ be a continuous map. Then we say that $f$ is an $n$-dimensional affinoid torus fibration if we can cover $B$ by open subsets $U$ such that there exist an open subset $V$ of $N_{\mathbb{R}}\cong\mathbb{R}^{n}$ and a commutative diagram

where the upper horizontal map is an isomorphism of $K$-analytic spaces and the lower horizontal map is a homeomorphism.