diff --git a/grum/descs/__init__.py b/grum/descs/__init__.py
index 278a64b..d7ca373 100644
--- a/grum/descs/__init__.py
+++ b/grum/descs/__init__.py
@@ -1,4 +1,5 @@
 
+from .desc import Description
 from .imgdesc import ImageDescription
 from .plotdesc import PlotDescription
 
diff --git a/grum/descs/desc.py b/grum/descs/desc.py
new file mode 100644
index 0000000..0c52278
--- /dev/null
+++ b/grum/descs/desc.py
@@ -0,0 +1,8 @@
+
+class Description:
+
+    def to_dict(self):
+        return {k: v for k, v in self.__dict__.items() if not k.startswith("_") and k != "name" and v is not None}
+
+
+
diff --git a/grum/descs/imgdesc.py b/grum/descs/imgdesc.py
index 5b171d5..be990ec 100644
--- a/grum/descs/imgdesc.py
+++ b/grum/descs/imgdesc.py
@@ -1,7 +1,8 @@
 import numpy as np
+from .desc import Description
 
 
-class ImageDescription:
+class ImageDescription(Description):
 
     def __init__(self, name, title=None, xlabel=None, ylabel=None, image=None):
         self.name = name
@@ -41,8 +42,4 @@ class ImageDescription:
         return res
 
 
-    def to_dict(self):
-        return {k: v for k, v in self.__dict__.items() if not k.startswith("_") and k != "name" and v is not None}
-
-
 
diff --git a/grum/descs/plotdesc.py b/grum/descs/plotdesc.py
index 45832f3..86a399d 100644
--- a/grum/descs/plotdesc.py
+++ b/grum/descs/plotdesc.py
@@ -1,5 +1,7 @@
+from .desc import Description
 
-class PlotDescription:
+
+class PlotDescription(Description):
 
     def __init__(self, name, title=None, xlabel=None, ylabel=None, xs=None, ys=None):
         self.name = name
@@ -45,8 +47,4 @@ class PlotDescription:
         return res
 
 
-    def to_dict(self):
-        return {k: v for k, v in self.__dict__.items() if not k.startswith("_") and k != "name" and v is not None}
-
-