diff --git a/src/git.xdrm.io/schastsp/lib/context/context.go b/src/git.xdrm.io/schastsp/lib/context/context.go
new file mode 100644
index 0000000..d458af8
--- /dev/null
+++ b/src/git.xdrm.io/schastsp/lib/context/context.go
@@ -0,0 +1,20 @@
+package context
+
+/* (1) Context class
+---------------------------------------------------------*/
+/* (1) Attributes */
+type Context struct {
+	windowSize   float64; // 'timeid' window size
+}
+
+/* (2) Constructor */
+func Create(winSize float64) *Context{
+	var instance = new(Context);
+
+	instance.windowSize = winSize;
+
+	return instance
+}
+
+/* (3) Getters */
+func (c Context) GetWindowSize()   float64 { return c.windowSize }
\ No newline at end of file